Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
hanh doanh » hang doanh, doanh doanh, kinh doanh
nhung cong » dung cong, thong cong, hang cong
hoc chiet » hoc thiet, hoc hien, hoc viet
hoc nhiet » hoc thiet, hoc nghien, hoc hien
cua nhung » va nhung
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chiet) or (hoc nhiet)) tach - ((hanh doanh) OR (chinh doanh)) cua nhung cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chiet) OR (hoc nhiet)) tach - ((hanh doanh) OR (chinh doanh)) cua nhung cong van toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chiet) or (hoc nhiet)) tach - ((hanh doanh) OR (chinh doanh)) cua nhung cong van toan ban*".